Sure thing, let's get straight to it. We start with 253 and we're going to multiply it by 311, which means adding 253 to itself 311 times.
Step 1: 0 + 253 = 253
Step 2: 253 + 253 = 506
Step 3: 506 + 253 = 759
Step 4: 759 + 253 = 1012
Step 5: 1012 + 253 = 1265
Step 6: 1265 + 253 = 1518
Step 7: 1518 + 253 = 1771
Step 8: 1771 + 253 = 2024
Step 9: 2024 + 253 = 2277
Step 10: 2277 + 253 = 2530
Step 11: 2530 + 253 = 2783
Step 12: 2783 + 253 = 3036
Step 13: 3036 + 253 = 3289
Step 14: 3289 + 253 = 3542
Step 15: 3542 + 253 = 3795
Step 16: 3795 + 253 = 4048
Step 17: 4048 + 253 = 4301
Step 18: 4301 + 253 = 4554
Step 19: 4554 + 253 = 4807
Step 20: 4807 + 253 = 5060
Step 21: 5060 + 253 = 5313
Step 22: 5313 + 253 = 5566
Step 23: 5566 + 253 = 5819
Step 24: 5819 + 253 = 6072
Step 25: 6072 + 253 = 6325
Step 26: 6325 + 253 = 6578
Step 27: 6578 + 253 = 6831
Step 28: 6831 + 253 = 7084
Step 29: 7084 + 253 = 7337
Step 30: 7337 + 253 = 7590
Step 31: 7590 + 253 = 7843
Step 32: 7843 + 253 = 8096
Step 33: 8096 + 253 = 8349
Step 34: 8349 + 253 = 8602
Step 35: 8602 + 253 = 8855
Step 36: 8855 + 253 = 9108
Step 37: 9108 + 253 = 9361
Step 38: 9361 + 253 = 9614
Step 39: 9614 + 253 = 9867
Step 40: 9867 + 253 = 10120
Step 41: 10120 + 253 = 10373
Step 42: 10373 + 253 = 10626
Step 43: 10626 + 253 = 10879
Step 44: 10879 + 253 = 11132
Step 45: 11132 + 253 = 11385
Step 46: 11385 + 253 = 11638
Step 47: 11638 + 253 = 11891
Step 48: 11891 + 253 = 12144
Step 49: 12144 + 253 = 12397
Step 50: 12397 + 253 = 12650
Step 51: 12650 + 253 = 12903
Step 52: 12903 + 253 = 13156
Step 53: 13156 + 253 = 13409
Step 54: 13409 + 253 = 13662
Step 55: 13662 + 253 = 13915
Step 56: 13915 + 253 = 14168
Step 57: 14168 + 253 = 14421
Step 58: 14421 + 253 = 14674
Step 59: 14674 + 253 = 14927
Step 60: 14927 + 253 = 15180
Step 61: 15180 + 253 = 15433
Step 62: 15433 + 253 = 15686
Step 63: 15686 + 253 = 15939
Step 64: 15939 + 253 = 16192
Step 65: 16192 + 253 = 16445
Step 66: 16445 + 253 = 16698
Step 67: 16698 + 253 = 16951
Step 68: 16951 + 253 = 17204
Step 69: 17204 + 253 = 17457
Step 70: 17457 + 253 = 17710
Step 71: 17710 + 253 = 17963
Step 72: 17963 + 253 = 18216
Step 73: 18216 + 253 = 18469
Step 74: 18469 + 253 = 18722
Step 75: 18722 + 253 = 18975
Step 76: 18975 + 253 = 19228
Step 77: 19228 + 253 = 19481
Step 78: 19481 + 253 = 19734
Step 79: 19734 + 253 = 19987
Step 80: 19987 + 253 = 20240
Step 81: 20240 + 253 = 20493
Step 82: 20493 + 253 = 20746
Step 83: 20746 + 253 = 20999
Step 84: 20999 + 253 = 21252
Step 85: 21252 + 253 = 21505
Step 86: 21505 + 253 = 21758
Step 87: 21758 + 253 = 22011
Step 88: 22011 + 253 = 22264
Step 89: 22264 + 253 = 22517
Step 90: 22517 + 253 = 22770
Step 91: 22770 + 253 = 23023
Step 92: 23023 + 253 = 23276
Step 93: 23276 + 253 = 23529
Step 94: 23529 + 253 = 23782
Step 95: 23782 + 253 = 24035
Step 96: 24035 + 253 = 24288
Step 97: 24288 + 253 = 24541
Step 98: 24541 + 253 = 24794
Step 99: 24794 + 253 = 25047
Step 100: 25047 + 253 = 25300
Step 101: 25300 + 253 = 25553
Step 102: 25553 + 253 = 25806
Step 103: 25806 + 253 = 26059
Step 104: 26059 + 253 = 26312
Step 105: 26312 + 253 = 26565
Step 106: 26565 + 253 = 26818
Step 107: 26818 + 253 = 27071
Step 108: 27071 + 253 = 27324
Step 109: 27324 + 253 = 27577
Step 110: 27577 + 253 = 27830
Step 111: 27830 + 253 = 28083
Step 112: 28083 + 253 = 28336
Step 113: 28336 + 253 = 28589
Step 114: 28589 + 253 = 28842
Step 115: 28842 + 253 = 29095
Step 116: 29095 + 253 = 29348
Step 117: 29348 + 253 = 29601
Step 118: 29601 + 253 = 29854
Step 119: 29854 + 253 = 30107
Step 120: 30107 + 253 = 30360
Step 121: 30360 + 253 = 30613
Step 122: 30613 + 253 = 30866
Step 123: 30866 + 253 = 31119
Step 124: 31119 + 253 = 31372
Step 125: 31372 + 253 = 31625
Step 126: 31625 + 253 = 31878
Step 127: 31878 + 253 = 32131
Step 128: 32131 + 253 = 32384
Step 129: 32384 + 253 = 32637
Step 130: 32637 + 253 = 32890
Step 131: 32890 + 253 = 33143
Step 132: 33143 + 253 = 33396
Step 133: 33396 + 253 = 33649
Step 134: 33649 + 253 = 33902
Step 135: 33902 + 253 = 34155
Step 136: 34155 + 253 = 34408
Step 137: 34408 + 253 = 34661
Step 138: 34661 + 253 = 34914
Step 139: 34914 + 253 = 35167
Step 140: 35167 + 253 = 35420
Step 141: 35420 + 253 = 35673
Step 142: 35673 + 253 = 35926
Step 143: 35926 + 253 = 36179
Step 144: 36179 + 253 = 36432
Step 145: 36432 + 253 = 36685
Step 146: 36685 + 253 = 36938
Step 147: 36938 + 253 = 37191
Step 148: 37191 + 253 = 37444
Step 149: 37444 + 253 = 37697
Step 150: 37697 + 253 = 37950
Step 151: 37950 + 253 = 38203
Step 152: 38203 + 253 = 38456
Step 153: 38456 + 253 = 38709
Step 154: 38709 + 253 = 38962
Step 155: 38962 + 253 = 39215
Step 156: 39215 + 253 = 39468
Step 157: 39468 + 253 = 39721
Step 158: 39721 + 253 = 39974
Step 159: 39974 + 253 = 40227
Step 160: 40227 + 253 = 40480
Step 161: 40480 + 253 = 40733
Step 162: 40733 + 253 = 40986
Step 163: 40986 + 253 = 41239
Step 164: 41239 + 253 = 41492
Step 165: 41492 + 253 = 41745
Step 166: 41745 + 253 = 41998
Step 167: 41998 + 253 = 42251
Step 168: 42251 + 253 = 42504
Step 169: 42504 + 253 = 42757
Step 170: 42757 + 253 = 43010
Step 171: 43010 + 253 = 43263
Step 172: 43263 + 253 = 43516
Step 173: 43516 + 253 = 43769
Step 174: 43769 + 253 = 44022
Step 175: 44022 + 253 = 44275
Step 176: 44275 + 253 = 44528
Step 177: 44528 + 253 = 44781
Step 178: 44781 + 253 = 45034
Step 179: 45034 + 253 = 45287
Step 180: 45287 + 253 = 45540
Step 181: 45540 + 253 = 45793
Step 182: 45793 + 253 = 46046
Step 183: 46046 + 253 = 46299
Step 184: 46299 + 253 = 46552
Step 185: 46552 + 253 = 46805
Step 186: 46805 + 253 = 47058
Step 187: 47058 + 253 = 47311
Step 188: 47311 + 253 = 47564
Step 189: 47564 + 253 = 47817
Step 190: 47817 + 253 = 48070
Step 191: 48070 + 253 = 48323
Step 192: 48323 + 253 = 48576
Step 193: 48576 + 253 = 48829
Step 194: 48829 + 253 = 49082
Step 195: 49082 + 253 = 49335
Step 196: 49335 + 253 = 49588
Step 197: 49588 + 253 = 49841
Step 198: 49841 + 253 = 50094
Step 199: 50094 + 253 = 50347
Step 200: 50347 + 253 = 50600
Step 201: 50600 + 253 = 50853
Step 202: 50853 + 253 = 51106
Step 203: 51106 + 253 = 51359
Step 204: 51359 + 253 = 51612
Step 205: 51612 + 253 = 51865
Step 206: 51865 + 253 = 52118
Step 207: 52118 + 253 = 52371
Step 208: 52371 + 253 = 52624
Step 209: 52624 + 253 = 52877
Step 210: 52877 + 253 = 53130
Step 211: 53130 + 253 = 53383
Step 212: 53383 + 253 = 53636
Step 213: 53636 + 253 = 53889
Step 214: 53889 + 253 = 54142
Step 215: 54142 + 253 = 54395
Step 216: 54395 + 253 = 54648
Step 217: 54648 + 253 = 54901
Step 218: 54901 + 253 = 55154
Step 219: 55154 + 253 = 55407
Step 220: 55407 + 253 = 55660
Step 221: 55660 + 253 = 55913
Step 222: 55913 + 253 = 56166
Step 223: 56166 + 253 = 56419
Step 224: 56419 + 253 = 56672
Step 225: 56672 + 253 = 56925
Step 226: 56925 + 253 = 57178
Step 227: 57178 + 253 = 57431
Step 228: 57431 + 253 = 57684
Step 229: 57684 + 253 = 57937
Step 230: 57937 + 253 = 58190
Step 231: 58190 + 253 = 58443
Step 232: 58443 + 253 = 58696
Step 233: 58696 + 253 = 58949
Step 234: 58949 + 253 = 59202
Step 235: 59202 + 253 = 59455
Step 236: 59455 + 253 = 59708
Step 237: 59708 + 253 = 59961
Step 238: 59961 + 253 = 60214
Step 239: 60214 + 253 = 60467
Step 240: 60467 + 253 = 60720
Step 241: 60720 + 253 = 60973
Step 242: 60973 + 253 = 61226
Step 243: 61226 + 253 = 61479
Step 244: 61479 + 253 = 61732
Step 245: 61732 + 253 = 61985
Step 246: 61985 + 253 = 62238
Step 247: 62238 + 253 = 62491
Step 248: 62491 + 253 = 62744
Step 249: 62744 + 253 = 62997
Step 250: 62997 + 253 = 63250
Step 251: 63250 + 253 = 63503
Step 252: 63503 + 253 = 63756
Step 253: 63756 + 253 = 64009
Step 254: 64009 + 253 = 64262
Step 255: 64262 + 253 = 64515
Step 256: 64515 + 253 = 64768
Step 257: 64768 + 253 = 65021
Step 258: 65021 + 253 = 65274
Step 259: 65274 + 253 = 65527
Step 260: 65527 + 253 = 65780
Step 261: 65780 + 253 = 66033
Step 262: 66033 + 253 = 66286
Step 263: 66286 + 253 = 66539
Step 264: 66539 + 253 = 66792
Step 265: 66792 + 253 = 67045
Step 266: 67045 + 253 = 67298
Step 267: 67298 + 253 = 67551
Step 268: 67551 + 253 = 67804
Step 269: 67804 + 253 = 68057
Step 270: 68057 + 253 = 68310
Step 271: 68310 + 253 = 68563
Step 272: 68563 + 253 = 68816
Step 273: 68816 + 253 = 69069
Step 274: 69069 + 253 = 69322
Step 275: 69322 + 253 = 69575
Step 276: 69575 + 253 = 69828
Step 277: 69828 + 253 = 70081
Step 278: 70081 + 253 = 70334
Step 279: 70334 + 253 = 70587
Step 280: 70587 + 253 = 70840
Step 281: 70840 + 253 = 71093
Step 282: 71093 + 253 = 71346
Step 283: 71346 + 253 = 71599
Step 284: 71599 + 253 = 71852
Step 285: 71852 + 253 = 72105
Step 286: 72105 + 253 = 72358
Step 287: 72358 + 253 = 72611
Step 288: 72611 + 253 = 72864
Step 289: 72864 + 253 = 73117
Step 290: 73117 + 253 = 73370
Step 291: 73370 + 253 = 73623
Step 292: 73623 + 253 = 73876
Step 293: 73876 + 253 = 74129
Step 294: 74129 + 253 = 74382
Step 295: 74382 + 253 = 74635
Step 296: 74635 + 253 = 74888
Step 297: 74888 + 253 = 75141
Step 298: 75141 + 253 = 75394
Step 299: 75394 + 253 = 75647
Step 300: 75647 + 253 = 75900
Step 301: 75900 + 253 = 76153
Step 302: 76153 + 253 = 76406
Step 303: 76406 + 253 = 76659
Step 304: 76659 + 253 = 76912
Step 305: 76912 + 253 = 77165
Step 306: 77165 + 253 = 77418
Step 307: 77418 + 253 = 77671
Step 308: 77671 + 253 = 77924
Step 309: 77924 + 253 = 78177
Step 310: 78177 + 253 = 78430
Step 311: 78430 + 253 = 78683

So, 253*311 = 78683